DIGITALISASI SISTEM PEMBAYARAN DALAM PERSPEKTIF EKONOMI ISLAM: TINJAUAN SISTEMATIS KEABSAHAN E-WALLET DAN CRYPTOCURRENCY. Indonesian Scientific Journal of Islamic Finance, [S. l.], v. 4, n. 2, p. 174–191, 2026. DOI: 10.21093/inasjif.v4i2.12610. Disponível em: https://journal.uinsi.ac.id/index.php/INASJIF/article/view/12610. Acesso em: 14 jul. 2026.